Display screen or portion thereof with transitional graphical user interface for agricultural applicator boom controls



FIG. 1 is a front view of a first image in a sequence of a display screen or portion thereof with a transitional graphical user interface for agricultural applicator boom controls in accordance with the present invention; and,

FIG. 2 is a front view of a second image thereof.

The outer dashed broken line and the dot-dashed broken line showing of the display screen or portion thereof forms no part of the claimed design. The remaining dashed broken line showing of portions of the transitional graphical user interface forms no part of the claimed design.

The appearance of the image transitions sequentially between the images shown in FIGS. 1-2. The process or period in which an image transitions to another forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with a transitional graphical user interface for agricultural applicator boom controls, as shown and described. 